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Christ · 02-26-2013, 10:49 PM

Don't really need a jumper harness unless you plan to change it back at some point. You can easily just depin and repin connectors to fit the ECM you want in there and mate it to the harness. IIRC there are cases wherein you have to change some sensors for them to owrk properly when changing ECU as well, but that's a more in-depth and model/donor specific thing.

02-26-2013, 10:49 PM	#70 (permalink)
Christ Moderate your Moderation. Join Date: Nov 2008 Location: Troy, Pa. Posts: 8,919 Pasta - '96 Volkswagen Passat TDi 90 day: 45.22 mpg (US) Thanks: 1,369 Thanked 430 Times in 353 Posts	Don't really need a jumper harness unless you plan to change it back at some point. You can easily just depin and repin connectors to fit the ECM you want in there and mate it to the harness. IIRC there are cases wherein you have to change some sensors for them to owrk properly when changing ECU as well, but that's a more in-depth and model/donor specific thing. __________________ "¿ʞɐǝɹɟ ɐ ǝɹ,noʎ uǝɥʍ 'ʇı ʇ,usı 'ʎlǝuol s,ʇı"